I have tried to upgrade our Netra mail server to Sendmail 8.8.8 via Sun's patch for SunOS 5.5.1/Solaris 2.5.1, and when applied, no e-mail is allowed through the server. I get a DNS-related error: "config error: mail loops back to me (MX problem?)" However, backing out the patch restores proper working order.<br><br>Complicating all of this is a an old copy of Interscan VirusWall which loads its version of sendmail, which I usually have to kill.<br><br>I'd like to know how to keep the InterScan piece from loading. If I can do that, I'd like to try the patch again.<br><br>Any advice would be appreciated.